List of terms

802.3

An IEEE standard defining Ethernet communications.

AAL

See ATM adaptation layer (AAL) (page 12).

AAL1

See ATM adaptation layer type 1 (AAL1) (page 13).

AAL2

See ATM adaptation layer type 2 (AAL2) (page 13).

AAList

See active alarm list (page 7).

AAL2 channel identifier (CID)

A numerical value associated with a virtual channel connection (VCC) narrowband timeslot. For non-switched trunks, the association is fixed when the VCC is established. For switched trunks, the association is made for each cell.

AAL-5

See ATM adaptation layer type 5 (AAL-5) (page 13).

A-bit signaling

See availability-bit signaling (page 16).

ABR

1See area border router (ABR) (page 11).

2See available bit rate (ABR) (page 16).

ABS

See ATM bearer service (ABS) (page 13).

Nortel Multiservice Switch 7400/15000/20000

Terminology

NN10600-005 7.2S1 Standard

PCR7.2 and up

March 2006

Copyright © 2006, Nortel

Nortel Confidential

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Panasonic 15000 manual Aal, AAL1, AAL2, AAL-5, Abr, Abs